<template>
  <div class="rank" ref="rank">
    <scroll :data="topList" class="toplist" ref="toplist">
      <ul>
        <li class="item" v-for="(item,index) in topList" :key="index" @click="selectItem(item)">
          <div class="icon">
            <img width="100" height="100" v-lazy="item.picUrl"/>
          </div>
          <ul class="songlist">
            <li class="song" v-for="(song,index) in item.songList" :key="index">
              <span>{{index+1}}</span>
              <span>{{song.songname}}-{{song.singername}}</span>
            </li>
          </ul>
        </li>
      </ul>
      <div class="loading-container" v-show="!topList.length">
          <loading></loading>
      </div>
    </scroll>
    <router-view></router-view>
  </div>
</template>

<script type="text/ecmascript-6">
import {getTopList} from 'api/rank'
import {ERR_OK} from 'api/config'
import Scroll from 'base/scroll/scroll'
import Loading from 'base/loading/loading'
import {playlistMixin} from 'common/js/mixin'
import {mapMutations} from 'vuex'
export default {
  mixins: [playlistMixin],
  created() {
    this._getTopList()
  },
  data() {
    return {
      topList: []
    }
  },
  methods: {
    handlePlaylist(playlist) {
      const bottom = playlist.length ? '60px' : ''
      this.$refs.rank.style.bottom = bottom
      this.$refs.toplist.refresh()
    },
    selectItem(item) {
      this.$router.push({
        path: `/rank/${item.id}`
      })
      this.setTopList(item)
    },
    _getTopList() {
      getTopList().then((res) => {
        if (res.code === ERR_OK) {
          this.topList = res.data.topList
        //   console.log(res.data.topList)
        }
      })
    },
    ...mapMutations({
      setTopList: 'SET_TOP_LIST'
    })

  },
  components: {
    Scroll,
    Loading
  }
}
</script>

<style scoped lang="stylus" rel="stylesheet/stylus">
@import '~common/stylus/variable';
@import '~common/stylus/mixin';

.rank {
    position: fixed;
    width: 100%;
    top: 88px;
    bottom: 0;

    .toplist {
        height: 100%;
        overflow: hidden;

        .item {
            display: flex;
            margin: 0 20px;
            padding-top: 20px;
            height: 100px;

            &:last-child {
                padding-bottom: 20px;
            }

            .icon {
                flex: 0 0 100px;
                width: 100px;
                height: 100px;
            }

            .songlist {
                flex: 1;
                display: flex;
                flex-direction: column;
                justify-content: center;
                padding: 0 20px;
                height: 100px;
                overflow: hidden;
                background: $color-highlight-background;
                color: $color-text-d;
                font-size: $font-size-small;

                .song {
                    no-wrap();
                    line-height: 26px;
                }
            }
        }

        .loading-container {
            position: absolute;
            width: 100%;
            top: 50%;
            transform: translateY(-50%);
        }
    }
}
</style>